JP2002154025A - Connection part - Google Patents
Connection partInfo
- Publication number
- JP2002154025A JP2002154025A JP2001303304A JP2001303304A JP2002154025A JP 2002154025 A JP2002154025 A JP 2002154025A JP 2001303304 A JP2001303304 A JP 2001303304A JP 2001303304 A JP2001303304 A JP 2001303304A JP 2002154025 A JP2002154025 A JP 2002154025A
- Authority
- JP
- Japan
- Prior art keywords
- tool
- recess
- tool member
- members
- holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/008—Chucks; Expansion mandrels; Adaptations thereof for remote control with arrangements for transmitting torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/11—Retention by threaded connection
- B23B31/1107—Retention by threaded connection for conical parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/11—Retention by threaded connection
- B23B31/1107—Retention by threaded connection for conical parts
- B23B31/1122—Retention by threaded connection for conical parts using cylindrical threads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/16—Longitudinal screw clamp
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17957—Friction grip
- Y10T279/17965—Drill type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/44—Cutting by use of rotating axially moving tool with means to apply transient, fluent medium to work or product
- Y10T408/45—Cutting by use of rotating axially moving tool with means to apply transient, fluent medium to work or product including Tool with duct
- Y10T408/455—Conducting channel extending to end of Tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/909—Having peripherally spaced cutting edges
- Y10T408/9098—Having peripherally spaced cutting edges with means to retain Tool to support
- Y10T408/90993—Screw driven means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/94—Tool-support
- Y10T408/95—Tool-support with tool-retaining means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/30952—Milling with cutter holder
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Gripping On Spindles (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Prostheses (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Terminals (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、請求項１の前文に
記載された２つの工具部材の間の結合部に関する。[0001] The invention relates to a connection between two tool members as defined in the preamble of claim 1.
【０００２】[0002]
【従来の技術】ここで言及する種類の結合部は公知であ
る。それらは２つの工具部材を互いに結合するのに役立
ち、例えば工具ヘッドをホルダに結合するのに役立つ。
このホルダは直接に工作機械の一部とすることができ、
またはそれ自体が工作機械内に取付けられてそこに固着
される。2. Description of the Related Art Connections of the type mentioned here are known. They serve to couple the two tool members together, for example to couple the tool head to the holder.
This holder can be directly part of the machine tool,
Or it is itself mounted in a machine tool and secured there.
【０００３】[0003]
【発明が解決しようとする課題】多くの事例において両
方の工具部材の相互位置調整は結合部を開放して再び組
立てた後もはや厳密には与えられておらず、つまり十分
な繰返し精度は達成できないことが判明した。そこで本
発明の課題は、この欠点を防止する冒頭に指摘した種類
の結合部を提供することである。In many cases, the mutual alignment of the two tool members is no longer strictly given after the joint has been opened and reassembled, that is to say that sufficient repeatability cannot be achieved. It has been found. It is an object of the present invention to provide a connection of the type mentioned at the outset which prevents this drawback.
【０００４】[0004]
【課題を解決するための手段】この課題を解決するため
に、請求項１に指摘された特徴を有する結合部が提案さ
れる。この結合部は、凹部を有する第１工具部材と突起
を有する第２工具部材が設けられていることを特徴とし
ている。その際、中空円錐形凹部のテーパ角度と円錐形
突起のテーパ角度がほぼ厳密に同じであり、両方の工具
部材相互のごく精確な位置調整が可能となっている。さ
らに、突起が事実上非可撓性に構成され、第１工具部材
の凹部を取り囲む壁が可撓性に構成されている。両方の
工具部材が平坦面を備えており、それらを結合すると平
坦面が互いに当接する。両方の工具部材がまだ緊締され
ていない限り、突起を凹部に差し込んでも平坦面は互い
に離間している。締付装置が作動してはじめて両方の工
具部材は平坦面が当接するように互いに緊締される。緊
締を行う間に両方の工具部材が軸方向で変位することに
よって第１工具部材の壁が拡開され、一方で突起の外面
が凹部の内面に当接し、他方で両方の平坦面が当接す
る。これにより、機械的一致が得られる。第２工具部材
の突起は比較的小さく構成することができ、全体として
きわめてコンパクトな結合部が実現可能である。他の諸
構成は残りの従属請求項から明らかとなる。SUMMARY OF THE INVENTION In order to solve this problem, a coupling having the features specified in claim 1 is proposed. The connecting portion is characterized in that a first tool member having a concave portion and a second tool member having a projection are provided. At this time, the taper angle of the hollow conical concave portion and the taper angle of the conical projection are almost exactly the same, and very precise positional adjustment between the two tool members can be performed. Further, the projection is configured to be virtually inflexible and the wall surrounding the recess of the first tool member is configured to be flexible. Both tool members have a flat surface, and when they are joined, the flat surfaces abut each other. As long as both tool members are not yet tightened, the flat surfaces are spaced apart from each other when the projection is inserted into the recess. Only when the clamping device is activated, both tool parts are clamped together such that the flat surfaces abut. The axial displacement of both tool members during tightening causes the wall of the first tool member to expand, while the outer surface of the projection abuts the inner surface of the recess, while the two flat surfaces abut. . This provides a mechanical match. The projections of the second tool member can be made relatively small, so that a very compact coupling as a whole can be realized. Other features will be apparent from the remaining dependent claims.
【０００５】[0005]
【発明の実施の形態】以下、図面に基づいて本発明が詳
しく説明される。図１は結合部の第１工具部材を示す。
図２は第１工具部材の前端を縦断面図で示す。図３は第
１工具部材の前端の平面図である。図４は第２工具部材
の側面図である。図５は第２工具部材の縦断面図であ
る。図６は第２工具部材の背面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 shows the first tool member of the connection.
FIG. 2 shows the front end of the first tool member in a longitudinal sectional view. FIG. 3 is a plan view of the front end of the first tool member. FIG. 4 is a side view of the second tool member. FIG. 5 is a longitudinal sectional view of the second tool member. FIG. 6 is a rear view of the second tool member.
【０００６】図１に示す第１工具部材はホルダ１であ
り、その一端に、図１で左に、従来の締付テーパ３を備
えて構成されている。この締付テーパが空洞５を有し、
締付テーパ３を拡開して工具挿着装置内に強固に装着す
るためにここには図示しない好適な締付機構がこの空洞
内に嵌り込む。その反対側の前端６に、図１で右に、ホ
ルダ１はここに示唆しただけの凹部７を備えており、こ
こには図示しない第２工具部材が結合部を完全にするた
めにこの凹部内に差込可能である。A first tool member shown in FIG. 1 is a holder 1, which is provided at one end thereof with a conventional tightening taper 3 on the left side in FIG. This tightening taper has a cavity 5,
A suitable tightening mechanism, not shown here, fits into this cavity in order to widen the tightening taper 3 and firmly mount it in the tool insertion device. At its opposite front end 6, to the right in FIG. 1, the holder 1 is provided with a recess 7, which is only suggested here, in which a second tool element, not shown, is used to complete the connection. Can be plugged in.
【０００７】ホルダ１の凹部７を取り囲む壁９に少なく
とも１つの冷却剤および／または潤滑剤通路が設けられ
ている。ここに図示したホルダ１は４つのこのような冷
却剤および／または潤滑剤通路を備えており、これらの
通路は相互に等間隔に配置されており、ホルダ１の中心
軸１３と平行に延設されている。これと同軸で供給通路
１５がホルダ１の本体１７内に延設されている。供給通
路１５は空洞５に通じている。供給通路１５は中心軸１
３に対して半径方向に延設することのできる分配通路１
９を介して冷却剤および／または潤滑剤通路１１に接続
されており、冷却剤および／または潤滑剤はホルダ１が
固着されている工具主軸から供給通路１５、分配通路１
９を経由し冷却剤および／または潤滑剤通路１１を通し
て第２工具部材へと導くことができる。締付テーパ３と
は反対側の正面２１に第１平坦面２３が設けられてお
り、この平坦面は正面２１の凹部７の開口を取り囲み、
好ましくは環状に構成されている。A wall 9 surrounding the recess 7 of the holder 1 is provided with at least one coolant and / or lubricant passage. The holder 1 shown here comprises four such coolant and / or lubricant passages, which are equally spaced from one another and extend parallel to the central axis 13 of the holder 1. Have been. A supply passage 15 extends coaxially with the main body 17 of the holder 1. The supply passage 15 communicates with the cavity 5. The supply passage 15 is the central shaft 1
Distribution passage 1 that can extend radially with respect to 3
9 is connected to a coolant and / or lubricant passage 11, and the coolant and / or lubricant is supplied from the tool spindle to which the holder 1 is fixed to the supply passage 15 and the distribution passage 1.
9 through a coolant and / or lubricant passage 11 to a second tool member. A first flat surface 23 is provided on a front surface 21 opposite to the fastening taper 3, and the flat surface surrounds the opening of the recess 7 in the front surface 21.
Preferably, it is formed in a ring shape.
【０００８】図２はホルダ１の締付テーパ３とは反対側
の前端６を拡大断面図で示す。同じ部品には同じ符号が
付けてあり、ここではそれらの詳細な説明を省き、それ
らについては図１の説明を参考にするよう指示する。拡
大図からはっきり認めることのできる凹部７はホルダ１
の正面２１を貫通し、中空円錐形に構成されている。こ
の凹部は正面２１から出発して左向きに先細となってい
る。凹部７の底面２５に少なくとも１つの伝動面２７が
設けられており、この伝動面は好ましくはいわゆるエロ
ージョン法で製造可能である。ここに図示した実施例の
ホルダ１では相対峙する２つの伝動面が設けられてお
り、伝動面は互いに平行に中心軸１３から離間して配置
されている。FIG. 2 is an enlarged sectional view of the front end 6 of the holder 1 on the side opposite to the fastening taper 3. The same parts are denoted by the same reference numerals, and their detailed description is omitted here, and they are instructed to refer to the description of FIG. The recess 7 that can be clearly seen from the enlarged view is the holder 1.
Through the front surface 21 of the lens, and has a hollow conical shape. This recess tapers leftward starting from the front 21. At least one transmission surface 27 is provided on the bottom surface 25 of the recess 7 and this transmission surface can preferably be manufactured by a so-called erosion method. In the holder 1 of the embodiment shown here, two opposing transmission surfaces are provided, and the transmission surfaces are arranged parallel to each other and away from the central axis 13.
【０００９】凹部７の底面２５に、好ましくは穴として
実現される凹部２６が通じており、この凹部は中心軸１
３と同軸で延設され、雌ねじ２６ａを備えている。拡大
図からいま一度はっきり認められるように、供給通路１
５が分配通路１９を介して冷却剤および／または潤滑剤
通路１１に接続されており、冷却剤および／または潤滑
剤通路はホルダ１の正面２１を貫通し、この場合第１平
坦面２３に注いでいる。図２がなお示すように、凹部７
が段部２９を備えており、この段部は第２工具部材の突
起導入を容易とするのに役立つ。The bottom 25 of the recess 7 communicates with a recess 26, which is preferably implemented as a hole, which
3, and is provided with a female screw 26a. As can be clearly seen from the enlarged view, supply passage 1
5 is connected via a distribution channel 19 to the coolant and / or lubricant channel 11, which passes through the front face 21 of the holder 1 and in this case pours into a first flat surface 23. In. As FIG. 2 still shows, the recess 7
Is provided with a step 29 which serves to facilitate the introduction of the projection of the second tool member.
【００１０】図３に示すホルダ１の正面２１の平面図か
ら明らかとなるように、第１平坦面２３に通じている４
つの冷却剤および／または潤滑剤通路１１は相互に等間
隔で想定円周Ｋ上に配置されて、４つの分配通路１９を
介して中央の供給通路１５に接続されている。この平面
図は２つの相対峙する伝動面２７も示しており、伝動面
は相互におよび中心軸１３に対して平行に離間配置され
ている。As is clear from the plan view of the front surface 21 of the holder 1 shown in FIG.
The two coolant and / or lubricant passages 11 are arranged at regular intervals on the assumed circumference K and are connected to the central supply passage 15 via four distribution passages 19. This plan view also shows two opposing transmission surfaces 27, which are spaced apart from each other and parallel to the central axis 13.
【００１１】図１〜図３の説明ではホルダ１がそれ自体
工作機械に、しかも締付テーパ３を介して、固着可能で
あると前提された。しかし、ホルダ１自身を工作機械の
一部とし、つまり締付テーパ３を省くことも可能であ
る。In the description of FIGS. 1 to 3, it has been assumed that the holder 1 can be fixed to the machine tool itself and via the fastening taper 3. However, it is also possible for the holder 1 itself to be part of the machine tool, ie to omit the fastening taper 3.
【００１２】図１の図示から明らかとなるように、締付
テーパ３の外径はホルダ１の凹部７の内径よりもかなり
大きい。つまり、第１工具部材、すなわちホルダ１と、
ここには図示しない第２工具部材との間の結合部は、締
付テーパ３によって工作機械に実現される通常のホルダ
１用固着部よりもかなり小さい。As is apparent from FIG. 1, the outer diameter of the tightening taper 3 is considerably larger than the inner diameter of the concave portion 7 of the holder 1. That is, the first tool member, that is, the holder 1,
The connection between the second tool member, not shown here, is considerably smaller than the usual fixing part for the holder 1 realized on the machine tool by the tightening taper 3.
【００１３】図４が示す第２工具部材は結合部を完全に
するために第１工具部材に、つまりホルダ１に、差込可
能である。図４に示す実施例において第２工具部材とは
工具ヘッド３１である。しかし、第２工具部材を中間部
材、延長要素またはアダプタ等として構成しておくこと
も考えられる。重要なことは、第２工具部材、つまりこ
の場合工具ヘッド３１が突起３３を備えており、この突
起が円錐形周面３５を有し、かつ凹部７に差し込むこと
ができるように設計されている点である。FIG. 4 shows a second tool element which can be inserted into the first tool element, ie into the holder 1, in order to complete the connection. In the embodiment shown in FIG. 4, the second tool member is the tool head 31. However, it is also conceivable to configure the second tool member as an intermediate member, extension element, adapter or the like. Importantly, the second tool element, in this case the tool head 31, has a projection 33, which has a conical peripheral surface 35 and is designed so that it can be inserted into the recess 7. Is a point.
【００１４】重要なことはさらに、凹部７と突起３３が
事実上同一のテーパ角度を有する点である。突起３３の
長さが凹部７の深さに調整されており、突起３３を取り
囲んで工具ヘッド３１の中心軸３９に対して垂直に延び
る第２平坦面３７は、結合部を実現するために両方の工
具部材がしっかり嵌め合わされると、ホルダ１の第１平
坦面２３にしっかり当接する。Importantly, the recess 7 and the protrusion 33 have substantially the same taper angle. The length of the projection 33 is adjusted to the depth of the recess 7, and the second flat surface 37 surrounding the projection 33 and extending perpendicular to the central axis 39 of the tool head 31 is provided with both surfaces for realizing the connection. When the tool member is firmly fitted, the tool member firmly contacts the first flat surface 23 of the holder 1.
【００１５】突起３３が延長部４１を備えており、この
延長部が少なくとも１つの当接面４３を有する。延長部
４１は基本的に実質円筒形に構成されている。ここに示
した実施例では相対峙して平行に延びる２つの当接面４
３が設けられており、結合部の組立状態のとき当接面は
伝動面２７に当接する。The projection 33 has an extension 41, which has at least one abutment surface 43. The extension 41 is basically formed in a substantially cylindrical shape. In the embodiment shown here, two abutting surfaces 4 extending in parallel to face each other
3 is provided, and the contact surface comes into contact with the transmission surface 27 when the connecting portion is in an assembled state.
【００１６】図４に示す第２工具部材は、第２工具部材
の本体４５に複数の刃物板４７を挿嵌した切削工具ヘッ
ド３１として構成されている。しかし工具ヘッド３１の
特殊構成と刃物板４７の数は結合部の実現にとって重要
ではない。第２工具部材、つまり図４に示した工具ヘッ
ド３１が図５に縦断面図で示してある。同じ部品には同
じ符号が付けてあり、図４の説明を参考にするよう指示
する。The second tool member shown in FIG. 4 is configured as a cutting tool head 31 in which a plurality of blade plates 47 are inserted into a main body 45 of the second tool member. However, the special configuration of the tool head 31 and the number of blade plates 47 are not important for realizing the connection. The second tool member, namely the tool head 31 shown in FIG. 4, is shown in FIG. 5 in a longitudinal sectional view. The same parts are denoted by the same reference numerals, and are instructed to refer to the description of FIG.
【００１７】この断面図が示すように、第２平坦面３７
とは反対側にある正面４９に少なくとも１つ、この場合
４つの冷却剤および／または潤滑剤通路１１’が通じて
おり、これらの通路は第２工具部材の中心軸３９と平行
に延設されて第２平坦面３７にも通じている。工具ヘッ
ド３１として構成される第２工具部材の本体４５に、好
ましくは穴として実現される凹部５１が設けられてお
り、この凹部が雌ねじ５３を備えている。As shown in the sectional view, the second flat surface 37
At least one, in this case four, coolant and / or lubricant passages 11 ′ communicate with the front face 49 on the opposite side, and these passages extend parallel to the central axis 39 of the second tool member. And also communicates with the second flat surface 37. The body 45 of the second tool member, configured as the tool head 31, is provided with a recess 51, which is preferably implemented as a hole, which is provided with a female screw 53.
【００１８】図５からわかるように、工具ヘッド３１が
例えば中空に構成されているので、凹部５１は正面４９
を通して到達可能である。しかし、凹部５１が連続的に
正面４９に至るまで延設されてそこで開口していれば、
十分に到達可能である。As can be seen from FIG. 5, since the tool head 31 is, for example, hollow, the recess 51
Is reachable through However, if the recess 51 is continuously extended to the front 49 and opened there,
Fully reachable.
【００１９】図６にはここで工具ヘッド３１として構成
された第２工具部材の第２平坦面３７が背面図で示して
あり、この図からわかるように相互に等間隔に配置され
る４つの冷却剤および／または潤滑剤通路１１’が設け
られており、これらの通路は想定円周５５上に配置され
ている。円周５５の直径は、図３に示した冷却剤および
／または潤滑剤通路１１の中心点がある円周Ｋに一致す
る。冷却剤および／または潤滑剤通路１１の間隔と冷却
剤および／または潤滑剤通路１１’の間隔が同一であ
り、結合部を組立てると両方の工具部材１、３１の冷却
剤および／または潤滑剤通路は互いに一直線に並び、工
具ヘッド３１として構成される第２工具部材の正面４９
で冷却剤および／または潤滑剤は流出することができ
る。第２工具部材を中間部材等として構成しておく場
合、冷却剤および／または潤滑剤通路１１’は、第２工
具部材に接続される他の通路と一直線に並ぶように配置
せねばならない。FIG. 6 shows, in a rear view, a second flat surface 37 of a second tool member, which is here configured as a tool head 31 and, as can be seen from this figure, four flat surfaces 37 arranged at equal intervals to one another. Coolant and / or lubricant passages 11 ′ are provided, which are arranged on an assumed circumference 55. The diameter of the circumference 55 coincides with the circumference K where the center point of the coolant and / or lubricant passage 11 shown in FIG. The spacing of the coolant and / or lubricant passages 11 and the spacing of the coolant and / or lubricant passages 11 ′ are the same, and when the coupling is assembled, the coolant and / or lubricant passages of both tool members 1, 31 Are aligned with each other and face the front 49 of a second tool member configured as a tool head 31.
At this point, the coolant and / or lubricant can escape. If the second tool member is configured as an intermediate member or the like, the coolant and / or lubricant passage 11 'must be arranged so as to be aligned with the other passages connected to the second tool member.
【００２０】ホルダ１として構成される第１工具部材に
おいて、伝動面２７と冷却剤および／または潤滑剤通路
１１は相互に関連する限定的位置に配置されている。こ
のことは相応に当接面４３と、工具ヘッド３１として構
成された第２工具部材の冷却剤および／または潤滑剤通
路１１’とにも類似している。つまり結合部を実現する
ために工具ヘッド３１の突起３３がホルダ１の凹部７に
差し込まれていると、伝動面２７と当接面４３は互いに
当接し、こうして工具部材相互の厳密な位置調整を保証
する。こうしてホルダ１内の冷却剤および／または潤滑
剤通路１１が工具ヘッド３１内の冷却剤および／または
潤滑剤通路１１’と一直線に並ぶことが確保されてい
る。付加的に伝動面２７と当接面４３は両方の工具部材
の、従って結合部の、回動防止部として役立つ。In the first tool part configured as the holder 1, the transmission surface 27 and the coolant and / or lubricant passage 11 are arranged in limited positions relative to each other. This is correspondingly analogous to the abutment surface 43 and the coolant and / or lubricant passage 11 ′ of the second tool part configured as the tool head 31. That is, when the projection 33 of the tool head 31 is inserted into the concave portion 7 of the holder 1 to realize the coupling portion, the transmission surface 27 and the contact surface 43 come into contact with each other, and thus strict positional adjustment between the tool members is performed. Guarantee. This ensures that the coolant and / or lubricant passages 11 in the holder 1 are aligned with the coolant and / or lubricant passages 11 'in the tool head 31. In addition, the transmission surface 27 and the abutment surface 43 serve as anti-rotation elements of the two tool parts and thus of the connection.
【００２１】結合部を組立てるとき、つまり両方の工具
部材を嵌め合わせるとき、まず突起３３が凹部７に差し
込まれる。突起３３の寸法は、突起を凹部に差し込み後
に平坦面２３、３７の間に例えば２／１００ｍｍ範囲内
の小さな距離が生じるように選定されている。When assembling the connection, ie when fitting both tool members together, first the projection 33 is inserted into the recess 7. The dimensions of the projections 33 are selected such that a small distance, for example in the range of 2/100 mm, occurs between the flat surfaces 23, 37 after the projections are inserted into the recesses.
【００２２】結合部の領域内で両方の工具部材１、３１
の確実な固定を保証するために、締付ねじを含む締付装
置が設けられている。この締付ねじはホルダ１内の雌ね
じ２６ａと工具ヘッド３１内の雌ねじ５３とに噛合って
締付けられる。締付ねじを締付けると両方の工具部材の
軸方向相対移動が起き、事実上非可撓性の突起３３が第
１工具部材の凹部７もしくは凹部７を取り囲む壁９を拡
開する。両方の工具部材が相互に軸方向で変位すると、
結局平坦面２３、３７が互いにしっかり当接することに
なる。同時に突起３３の外面も凹部７の内面にしっかり
当接し、ここで機械的重複が得られ、そのことから工具
部材の、従って結合部の、きわめて安定した緊締がもた
らされる。さらに、高い繰返し精度が得られる。凹部７
のテーパ角度と突起３３のテーパ角度はすでに述べたよ
うに事実上同一である。好ましくは、嵌め合わされる工
具部材のセルフロックを生じるテーパ角度が選定され
る。つまりテーパ角度は約５°もしくはそれ以下の範囲
内である。In the region of the connection, both tool members 1, 31
In order to assure a secure fixation, a tightening device including a tightening screw is provided. The tightening screw is engaged with the female screw 26 a in the holder 1 and the female screw 53 in the tool head 31 and tightened. Tightening of the clamping screw causes an axial relative movement of the two tool members, and the virtually inflexible protrusion 33 expands the recess 7 of the first tool member or the wall 9 surrounding the recess 7. When both tool members are axially displaced from each other,
Eventually, the flat surfaces 23 and 37 will firmly abut each other. At the same time, the outer surface of the projection 33 also rests firmly on the inner surface of the recess 7, whereby a mechanical overlap is obtained, which results in a very stable clamping of the tool element and thus of the connection. Furthermore, high repeatability is obtained. Recess 7
And the taper angle of the protrusion 33 are substantially the same as described above. Preferably, a taper angle that causes self-locking of the fitted tool member is selected. That is, the taper angle is in the range of about 5 ° or less.
【００２３】好ましくは、２つの逆向きのねじ領域、つ
まり右ねじと左ねじとを有して差動ねじとして構成され
た締付ねじが使用される。この締付ねじが第１方向に回
されると、両方の工具部材１、３１は互いにしっかり緊
締される。締付ねじが逆方向に回されると、結合部の領
域内で工具部材の緊締が開放され、突起３３が凹部７か
ら押し出される。凹部７のテーパ角度と突起３３のテー
パ角度がセルフロックの範囲内であるので、締付ねじが
２つの逆向きのねじ領域を有することによって決定的利
点が得られる。すなわち、締付ねじが開放方向に回動さ
れると両方の工具部材が押し開かれ、セルフロックが克
服される。締付ねじは第１工具部材の正面４９の穴を通
して、および／または第２工具部材内の空洞５および供
給通路１５を通して、到達可能としておくことができ
る。Preferably, a tightening screw is used which has two oppositely threaded areas, namely a right-hand thread and a left-hand thread, and is configured as a differential screw. When the tightening screw is turned in the first direction, the two tool members 1, 31 are tightly tightened to each other. When the tightening screw is turned in the opposite direction, the tightening of the tool member is released in the region of the joint and the projection 33 is pushed out of the recess 7. Since the taper angle of the recess 7 and the taper angle of the projection 33 are within the range of self-locking, the decisive advantage is obtained by the fact that the tightening screw has two oppositely threaded areas. That is, when the tightening screw is turned in the opening direction, both tool members are pushed open and the self-lock is overcome. The tightening screw may be accessible through a hole in the front face 49 of the first tool member and / or through the cavity 5 and the supply passage 15 in the second tool member.
【００２４】図１〜図６に図示していない締付ねじを増
締めすると第１工具部材の第１平坦面２３と第２工具部
材の第２平坦面３７が互いにしっかりと押付けられ、結
合部の全域で工具部材の確実な結合が得られる。ホルダ
１の第１平坦面２３は工具ヘッド３１の第２平坦面３７
と同様に厳密に位置調整可能である。特に、第２平坦面
３７を突起３３に対して極めて精確に整列させることが
可能である。これにより、結合部の全域で工具部材の非
常に厳密な結合と、結合部の全域で両方の工具部材を開
放し再結合するとき極めて高い繰返し精度が得られる。When a tightening screw (not shown in FIGS. 1 to 6) is retightened, the first flat surface 23 of the first tool member and the second flat surface 37 of the second tool member are firmly pressed together, and In this manner, a secure connection of the tool members can be obtained. The first flat surface 23 of the holder 1 is the second flat surface 37 of the tool head 31.
The position can be strictly adjusted in the same manner as described above. In particular, it is possible to align the second flat surface 37 with the projection 33 very accurately. This results in a very tight connection of the tool members over the connection and a very high repeatability when both tool members are opened and reconnected over the connection.
【００２５】突起３３は寸法が小さいにもかかわらず極
めて安定させて構成されており、事実上、少なくとも半
径方向ではまったく、変形不可能である。それに対し
て、ホルダ１の凹部７を取り囲む壁９は多少可撓性を有
し、ねじが締付けられると突起３３は凹部７内でしっか
り緊締される。突起３３の最大外径はこの場合凹部７の
最大内径よりも約１〜６μｍ、好ましくは１．５〜４μ
ｍ、特に２〜３μｍ大きい。The projections 33 are designed to be extremely stable in spite of their small dimensions, and are virtually non-deformable, at least in the radial direction. In contrast, the wall 9 surrounding the recess 7 of the holder 1 is somewhat flexible, so that when the screw is tightened, the projection 33 is firmly tightened in the recess 7. In this case, the maximum outer diameter of the projection 33 is about 1 to 6 μm, preferably 1.5 to 4 μm, larger than the maximum inner diameter of the recess 7.
m, especially 2-3 μm.
【００２６】容易にわかるように、ここで工具ヘッド３
１として構成された第２工具部材の突起３３は比較的小
さくしておくことができ、それにもかかわらず工具部材
の間に非常に安定した結合を実現可能であり、部品相互
のごく厳密な整列を保証することができる。特に、両方
の平坦面２３、３７が周回式に、好ましくは環状面とし
て構成されており、両方の工具部材の結合全域の周りで
工具部材の厳密な当接と整列が得られることによって、
工具部材相互の精確な整列は達成可能である。As can be seen easily, here the tool head 3
The projections 33 of the second tool part configured as 1 can be relatively small, and nevertheless a very stable connection between the tool parts can be achieved, and a very tight alignment of the parts with one another Can be guaranteed. In particular, the fact that both flat surfaces 23, 37 are configured in a circular manner, preferably as annular surfaces, and that exact contact and alignment of the tool members is obtained around the entire area of the connection of both tool members,
Precise alignment of the tool members with each other is achievable.
【００２７】[0027]
【発明の効果】図１〜図６に示した結合部についての説
明から明らかとなるように、工具系の内部でここに述べ
た種類の複数の結合部を相前後して実現可能であり、構
造形状をごく小さくして工具部材相互の極めて厳密な位
置調整が実現可能である。いずれにしても、小さな構造
形状にもかかわらず結合部を介して、もしくは複数の結
合部を介して、強い力を伝達することができる。最後に
なお指摘しておくなら、第１工具部材が突起を備え、第
２工具部材が凹部を備え、つまり結合部がいわば鏡像の
ように構成されている場合でも、結合部の諸利点は得ら
れる。As will be clear from the description of the joints shown in FIGS. 1 to 6, a plurality of joints of the kind described here can be realized one after the other inside the tool system, Extremely strict position adjustment between the tool members can be realized with a very small structural shape. In any case, a strong force can be transmitted via the connection or via a plurality of connections despite the small structural shape. Finally, it should be pointed out that, even if the first tool member is provided with a projection and the second tool member is provided with a recess, i.e. the connection is constructed as a mirror image, the advantages of the connection can be obtained. Can be
【図１】結合部の第１工具部材。FIG. 1 shows a first tool member of a connecting portion.
【図２】第１工具部材の前端を縦断面図。FIG. 2 is a longitudinal sectional view of a front end of a first tool member.
【図３】第１工具部材の前端の平面図。FIG. 3 is a plan view of a front end of a first tool member.
【図４】第２工具部材の側面図。FIG. 4 is a side view of a second tool member.
【図５】第２工具部材の縦断面図。FIG. 5 is a longitudinal sectional view of a second tool member.
【図６】第２工具部材の背面図。FIG. 6 is a rear view of the second tool member.
１ 第１工具部材、 ７ 凹部、９ 壁、
１１，１１’ 通路、２３，３７ 平坦面、 ３１
第２工具部材、３３ 突起1 first tool member, 7 recess, 9 wall,
11, 11 'passage, 23, 37 flat surface, 31
Second tool member, 33 protrusion
フロントページの続き (72)発明者 フリードリッヒ ハーバル ドイツ連邦共和国 ディー−73466 ロオ ホハイム フリーダーシュトラーセ 14 Ｆターム(参考） 3C016 FA03 Continued on the front page (72) Inventor Friedrich Herbal D-73466 Roo Hoheim Friederstrasse 14 F-term (reference) 3C016 FA03
Claims (7)
そのうち第１工具部材が中空円錐形凹部を有し、第２工
具部材が円錐形突起を有し、この突起が凹部内に差込可
能であり、凹部（７）と突起（３３）が事実上同一のテ
ーパ角度を有し、突起（３３）が事実上非可撓性に構成
され、第１工具部材（ホルダ（１））の凹部（７）を取
り囲む壁（９）が可撓性に構成されており、両方の工具
部材（１、３１）が平坦面（２３、３７）を備えてお
り、両方の工具部材（１、３１）を結合すると平坦面が
互いに当接するものにおいて、結合部の組立状態のとき
両方の工具部材が軸方向で締付装置によって互いに緊締
されて、第１工具部材（１）の壁（９）が拡開されてい
ることを特徴とする結合部。1. A connection between two tool members, comprising:
The first tool member has a hollow conical recess and the second tool member has a conical protrusion, which can be plugged into the recess, wherein the recess (7) and the protrusion (33) are virtually The projection (33) has the same taper angle, the projection (33) is practically inflexible and the wall (9) surrounding the recess (7) of the first tool member (holder (1)) is flexible. The two tool members (1, 31) have flat surfaces (23, 37), and when the two tool members (1, 31) are joined, the flat surfaces come into contact with each other. A coupling, characterized in that, in the assembled state, the two tool members are axially clamped together by a clamping device, so that the wall (9) of the first tool member (1) is expanded.
度が約５°以下であることを特徴とする、請求項１記載
の結合部。2. The connection according to claim 1, wherein the taper angles of the two tool members are less than about 5 °.
成されていることを特徴とする、請求項１または２記載
の結合部。3. The connection according to claim 1, wherein the flat surface is configured as an annular surface.
（３１）内に延設された少なくとも１つの冷却剤および
／または潤滑剤通路（１１、１１’）を特徴とする、請
求項１〜３のいずれか１項記載の結合部。4. The method according to claim 1, wherein the at least one coolant and / or lubricant passage extends in the first tool part or the second tool part. The joint according to any one of claims 1 to 3.
たは潤滑剤通路（１１、１１’）が、少なくとも１つの
平坦面（２３、３７）と交差することを特徴とする、請
求項４記載の結合部。5. The connection according to claim 4, wherein the at least one coolant and / or lubricant passage intersects at least one flat surface. Department.
１）に挿通される少なくとも１つの締付ねじを含むこと
を特徴とする、請求項１〜５のいずれか１項記載の結合
部。6. The fastening device according to claim 1, wherein both of the tool members (1, 3) are provided.
6. The connection according to claim 1, comprising at least one fastening screw inserted in 1).
ねじを有することを特徴とする、請求項６記載の結合
部。7. The connection according to claim 6, wherein said at least one clamping screw has a right / left hand thread.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10048910.9 | 2000-10-02 | ||
| DE10048910A DE10048910A1 (en) | 2000-10-02 | 2000-10-02 | junction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002154025A true JP2002154025A (en) | 2002-05-28 |
| JP4790947B2 JP4790947B2 (en) | 2011-10-12 |
Family
ID=7658516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001303304A Expired - Fee Related JP4790947B2 (en) | 2000-10-02 | 2001-09-28 | Joint |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6902355B2 (en) |
| EP (1) | EP1193011B1 (en) |
| JP (1) | JP4790947B2 (en) |
| AT (1) | ATE254974T1 (en) |
| BR (1) | BR0104343B1 (en) |
| DE (2) | DE10048910A1 (en) |
| ES (1) | ES2210076T3 (en) |
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| JP2009504427A (en) * | 2005-08-22 | 2009-02-05 | マパル ファブリック フュール プラツィジョンズベルクゼウグ ドクトル．クレス カーゲー | interface |
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| DE10341976A1 (en) | 2003-09-11 | 2005-04-28 | Mapal Fab Praezision | Tool and method for machining fine machining of workpieces |
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| US7325471B2 (en) * | 2004-09-07 | 2008-02-05 | Kennametal Inc. | Toolholder and cutting insert for a toolholder assembly |
| DE102005028368A1 (en) * | 2005-06-20 | 2006-12-28 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Machining tool for valve guides and seats has second tool part divided into two sections, one of hard metal, other of more elastic material |
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| DE102006028373B4 (en) | 2006-06-19 | 2016-01-21 | Komet Group Gmbh | Rotating tool system with a separation point between two sub-elements |
| ITAR20070002U1 (en) * | 2007-02-22 | 2007-05-24 | It Te Di S R L | TOOL HOLDER COUPLING FOR TOOL MACHINES |
| US8858125B2 (en) * | 2008-03-04 | 2014-10-14 | Rolls-Royce Corporation | Tool assembly for removing material from a work-piece |
| FR2934513B1 (en) * | 2008-07-30 | 2012-01-20 | Eads Europ Aeronautic Defence | TOOL HOLDER HAVING COOLING MEANS |
| DE102009012433A1 (en) * | 2009-03-10 | 2010-09-16 | Kennametal Inc. | Cutting tool for a machine tool |
| DE102009030470B4 (en) * | 2009-06-24 | 2015-12-24 | Johne & Co. Präzisionswerkzeuge GmbH | Replaceable head holder system and tool head element |
| US8807880B2 (en) * | 2009-11-02 | 2014-08-19 | Kennametal Inc. | Toolholder coupling for high pressure coolant |
| US8662800B2 (en) * | 2012-04-11 | 2014-03-04 | Sandvik Intellectual Property Ab | Cutting head with coolant channel |
| ITFI20130119A1 (en) * | 2013-05-23 | 2014-11-24 | Nuovo Pignone Srl | "INTERCHANGEABLE BALL MILL" |
| DE102017102832A1 (en) | 2017-02-13 | 2018-08-16 | Gühring KG | Interface between two tool system modules |
| CN109571100A (en) * | 2018-12-28 | 2019-04-05 | 昆山飞亚精密模具有限公司 | Fast implement the chucking appliance system of multi-work piece Set and Positioning |
| DE102019220092A1 (en) | 2019-12-18 | 2021-06-24 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Tool part for connection with a tool counterpart, tool counterpart for connection with a tool part, and tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL22514C (en) * | 1925-09-26 | |||
| US2383688A (en) * | 1943-07-26 | 1945-08-28 | Tungsten Carbide Tool Company | Boring tool |
| US3041898A (en) * | 1958-01-09 | 1962-07-03 | Scully Jones & Co | Tool centering device |
| US3139800A (en) * | 1961-08-08 | 1964-07-07 | Clarkson Engineers Ltd | Holder for milling cutters and like rotary tools |
| US3320833A (en) * | 1964-11-23 | 1967-05-23 | Detroit Reamer & Tool Company | Deep-hole drill and reamer |
| US4099889A (en) * | 1974-10-18 | 1978-07-11 | Merz Ag Dulliken | Reamer |
| DE2454146A1 (en) * | 1974-11-14 | 1976-05-20 | Gewefa Pfister Praezisionswerk | Adaptor shaft for machine tool spindle - has seat ring for screw head held captive by enclosed ball race |
| SE423875B (en) * | 1979-02-07 | 1982-06-14 | Sandvik Ab | TOOL COUPLING BETWEEN A CUTTING TEE AND A MACHINE SPINDLE |
| DE3136147A1 (en) * | 1981-09-11 | 1983-03-31 | A. Ott, Gmbh, 8960 Kempten | Machining device |
| HU188534B (en) * | 1983-03-15 | 1986-04-28 | Forgacsoloszerszamipari Vallalat,Hu | Connection arrangement for modular tool systems |
| DE3314591A1 (en) * | 1983-04-22 | 1984-10-25 | Montanwerke Walter GmbH, 7400 Tübingen | MULTI-PIECE CLAMPING SYSTEM, IN PARTICULAR FOR ROTARY TOOLS |
| US4945793A (en) * | 1985-09-14 | 1990-08-07 | Fried. Krupp Gesellschaft Mit Beschrankter Haftung | Tool coupling |
| DE3532891A1 (en) * | 1985-09-14 | 1987-03-26 | Krupp Gmbh | TOOL CLUTCH |
| DE3711808A1 (en) * | 1987-04-08 | 1988-10-20 | Walter Gmbh Montanwerke | MULTI-PIECE CLAMPING SYSTEM, IN PARTICULAR FOR ROTARY TOOLS |
| SE457623B (en) * | 1987-04-21 | 1989-01-16 | Sandvik Ab | TOOL CONNECTION |
| DE59205930D1 (en) * | 1991-03-13 | 1996-05-15 | Polytool Ag | Reamer with exchangeable cutting head |
| DE4123966A1 (en) * | 1991-07-19 | 1993-01-21 | Heller Geb Gmbh Maschf | CLAMPING DEVICE FOR INDIVIDUAL TOOLS |
| DE4211034A1 (en) | 1992-04-02 | 1993-10-07 | Mapal Fab Praezision | interface |
-
2000
- 2000-10-02 DE DE10048910A patent/DE10048910A1/en not_active Ceased
-
2001
- 2001-09-08 ES ES01121521T patent/ES2210076T3/en not_active Expired - Lifetime
- 2001-09-08 DE DE50101018T patent/DE50101018D1/en not_active Expired - Lifetime
- 2001-09-08 AT AT01121521T patent/ATE254974T1/en not_active IP Right Cessation
- 2001-09-08 EP EP01121521A patent/EP1193011B1/en not_active Expired - Lifetime
- 2001-09-28 JP JP2001303304A patent/JP4790947B2/en not_active Expired - Fee Related
- 2001-09-28 BR BRPI0104343-9A patent/BR0104343B1/en not_active IP Right Cessation
- 2001-10-01 US US09/969,411 patent/US6902355B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009504427A (en) * | 2005-08-22 | 2009-02-05 | マパル ファブリック フュール プラツィジョンズベルクゼウグ ドクトル．クレス カーゲー | interface |
| KR101305247B1 (en) | 2005-08-22 | 2013-09-06 | 마팔 파브릭 퓌어 프래찌지온스베르크쪼이게 독토르 크레쓰카게 | Interface element |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020067965A1 (en) | 2002-06-06 |
| JP4790947B2 (en) | 2011-10-12 |
| ATE254974T1 (en) | 2003-12-15 |
| DE50101018D1 (en) | 2004-01-08 |
| EP1193011B1 (en) | 2003-11-26 |
| DE10048910A1 (en) | 2002-05-02 |
| BR0104343A (en) | 2002-05-28 |
| BR0104343B1 (en) | 2009-08-11 |
| ES2210076T3 (en) | 2004-07-01 |
| EP1193011A1 (en) | 2002-04-03 |
| US6902355B2 (en) | 2005-06-07 |
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